.foot{
    height: 80px;
    background-color: rgb(255, 255, 255);
    display: flex;
    justify-content: space-between;
    margin:0 50px;
    font-weight: bold;
}
.dfoot{
    border-top: 1px solid gray;
    background-color: #fff;
}
.dd .xx .ww{
    height:100%;
    width: 105px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    flex:1;
    font-weight: bold;
}
.f-img{
    width: 40px;
    height: 40px;
    background-image: url('../images/unicon.png');
    font-size: 25px;
}
.f1{
    background-position: -117px -300px;
}
.f2{
    background-position: -112px -339px;
}
.f3{
    background-position: -120px 40px;

}